CodeXpace: Bluetooth sniffing

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⚠ Authorized Use Only — Educational & Penetration Testing Purposes

The techniques, scripts, and tools described in this post are shared strictly for cybersecurity education, CTF practice, and authorized penetration testing. They are intended to be run only against:

Systems, networks, or devices you own, or
Environments where you have explicit written authorization to test (e.g. a client engagement scope, a lab, or a CTF)

Using these techniques against systems, networks, or accounts without the owner's consent is illegal in most jurisdictions and is not endorsed by this blog. If you're learning, practice in an isolated lab (e.g. your own VMs, Kali + Metasploitable, or a CTF platform) rather than on live third-party targets.

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Bluetooth Sniffing

There is no promisc mode for standard bluetooth firmwares. With tools such as hci dump we can only read our own traffic. "hcidump -X -i hci0" So to implement bluetooth sniffer we will use the bluetooth modules once again Lets start digging into the code to sniff bluetooth packets. ##Required Libraries ##Method 'hci_open_dev(0)' opens a raw socket to the first HCI device. ##In socket object we will set the properity HCI_FILTER to be able to recieve all HCI events and packets type. ##now inside while loop we will read 3 bytes from socket 1. first byte represents the type of HCI packet 2. second is HCI byte 3. length of the packet i.e. packet is dumped bytewise in hexedecimal unless type is a HCI_ACLDATA_PKT and if so we print the whole packet as ASCII string you can find the whole code in the following repository Bluetooth Sniffer Checkout some more hacking scripts SECURING SYSTEM ...